Home / 253,318.44-349,560.18-140,138.76

Finding the Fourth Proportional to 253,318.44, 349,560.18 and 140,138.76

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Solution

The fourth proportional to 253,318.44, 349,560.18 and 140,138.76 is: 193,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,318.44 : 349,560.18 = 140,138.76 : x
  2. Step 2: Convert to fraction form
    253,318.44/349,560.18 = 140,138.76/x
  3. Step 3: Cross multiply
    253,318.44x = 349,560.18 × 140,138.76
  4. Step 4: Simplify right side
    253,318.44x = 48,986,930,170.58
  5. Step 5: Solve for x
    x = 48,986,930,170.58/253,318.44
  6. Step 6: Final answer
    x = 193,380.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.